1040321145 has 64 divisors (see below), whose sum is σ = 1752816384. Its totient is φ = 526417920.

The previous prime is 1040321143. The next prime is 1040321159. The reversal of 1040321145 is 5411230401.

It is not a de Polignac number, because 1040321145 - 2¹ = 1040321143 is a prime.

It is a super-2 number, since 2×1040321145² = 2164536169468222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040321143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5390169 + ... + 5390361.

It is an arithmetic number, because the mean of its divisors is an integer number (27387756).

Almost surely, 2^1040321145 is an apocalyptic number.

1040321145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040321145 is a deficient number, since it is larger than the sum of its proper divisors (712495239).

1040321145 is a wasteful number, since it uses less digits than its factorization.

1040321145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1040321145 is about 32254.0097507271. The cubic root of 1040321145 is about 1013.2636786893.

Adding to 1040321145 its reverse (5411230401), we get a palindrome (6451551546).

The spelling of 1040321145 in words is "one billion, forty million, three hundred twenty-one thousand, one hundred forty-five".